1 // SPDX-License-Identifier: LGPL-2.1
2 #include <sys/types.h>
3 #include <sys/socket.h>
4
5 #ifndef MSG_PROBE
6 #define MSG_PROBE 0x10
7 #endif
8 #ifndef MSG_WAITFORONE
9 #define MSG_WAITFORONE 0x10000
10 #endif
11 #ifndef MSG_BATCH
12 #define MSG_BATCH 0x40000
13 #endif
14 #ifndef MSG_ZEROCOPY
15 #define MSG_ZEROCOPY 0x4000000
16 #endif
17 #ifndef MSG_SPLICE_PAGES
18 #define MSG_SPLICE_PAGES 0x8000000
19 #endif
20 #ifndef MSG_FASTOPEN
21 #define MSG_FASTOPEN 0x20000000
22 #endif
23 #ifndef MSG_CMSG_CLOEXEC
24 # define MSG_CMSG_CLOEXEC 0x40000000
25 #endif
26
27 static size_t syscall_arg__scnprintf_msg_flags(char *bf, size_t size,
28 struct syscall_arg *arg)
29 {
30 bool show_prefix = arg->show_string_prefix;
31 const char *prefix = "MSG_";
32 int printed = 0, flags = arg->val;
33
34 if (flags == 0)
35 return scnprintf(bf, size, "NONE");
36 #define P_MSG_FLAG(n) \
37 if (flags & MSG_##n) { \
38 printed += scnprintf(bf + printed, size - printed, "%s%s%s", printed ? "|" : "", show_prefix ? prefix : "", #n); \
39 flags &= ~MSG_##n; \
40 }
41
42 P_MSG_FLAG(OOB);
43 P_MSG_FLAG(PEEK);
44 P_MSG_FLAG(DONTROUTE);
45 P_MSG_FLAG(CTRUNC);
46 P_MSG_FLAG(PROBE);
47 P_MSG_FLAG(TRUNC);
48 P_MSG_FLAG(DONTWAIT);
49 P_MSG_FLAG(EOR);
50 P_MSG_FLAG(WAITALL);
51 P_MSG_FLAG(FIN);
52 P_MSG_FLAG(SYN);
53 P_MSG_FLAG(CONFIRM);
54 P_MSG_FLAG(RST);
55 P_MSG_FLAG(ERRQUEUE);
56 P_MSG_FLAG(NOSIGNAL);
57 P_MSG_FLAG(MORE);
58 P_MSG_FLAG(WAITFORONE);
59 P_MSG_FLAG(BATCH);
60 P_MSG_FLAG(ZEROCOPY);
61 P_MSG_FLAG(SPLICE_PAGES);
62 P_MSG_FLAG(FASTOPEN);
63 P_MSG_FLAG(CMSG_CLOEXEC);
64 #undef P_MSG_FLAG
65
66 if (flags)
67 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
68
69 return printed;
70 }
71
72 #define SCA_MSG_FLAGS syscall_arg__scnprintf_msg_flags
73
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